JPS62195789U - - Google Patents
Info
- Publication number
- JPS62195789U JPS62195789U JP8408886U JP8408886U JPS62195789U JP S62195789 U JPS62195789 U JP S62195789U JP 8408886 U JP8408886 U JP 8408886U JP 8408886 U JP8408886 U JP 8408886U JP S62195789 U JPS62195789 U JP S62195789U
- Authority
- JP
- Japan
- Prior art keywords
- paper detection
- light
- detection sensor
- unidirectional
- receiving element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000003708 edge detection Methods 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案の一実施例に係る紙検出センサ
ーのうち、発光する側の集光状態を示す図、第２
図はその側面図、第３図は他の実施例に係る発光
部材の縦断面図、第４図はその正面図、第５図は
本考案における紙検出状態を示す図、第６図は本
考案の前提となる発光素子の集光状態を示す図、
第７図は従来例に係る紙検出状態を示す図、第８
図は従来例の集光状態を示す図、第９図はその要
部を示す正面一部断面図、第１０図ａ，ｂは従来
例に係る紙端検出状態を示す図である。
１…受光素子、２…発光素子、７…凸レンズ、
８…凹レンズ、９…発光部材。
Figure 1 is a diagram showing the light condensing state of the light emitting side of the paper detection sensor according to an embodiment of the present invention;
3 is a longitudinal sectional view of a light emitting member according to another embodiment, FIG. 4 is a front view thereof, FIG. 5 is a diagram showing the state of paper detection in the present invention, and FIG. A diagram showing the light condensing state of the light emitting element, which is the premise of the invention,
FIG. 7 is a diagram showing the paper detection state according to the conventional example, and FIG.
9 is a front partial cross-sectional view showing the main part thereof, and FIGS. 10a and 10b are diagrams showing a paper edge detection state according to the conventional example. 1... Light receiving element, 2... Light emitting element, 7... Convex lens,
8... Concave lens, 9... Light emitting member.
Claims (1)
ンサーにおいて、紙検出面の照明光が長方形或い
はスリツト状になるように、受光素子の光源点か
ら順に一方向性の凸レンズ、一方向性の凹レンズ
を配置したことを特徴とする紙検出用センサー。 (2) 前記光源点及び凸レンズ、凹レンズは透明
な樹脂で一体成型されていることを特徴とする実
用新案登録請求の範囲第(1)項記載の紙検出用セ
ンサー。[Claims for Utility Model Registration] (1) In a paper detection sensor consisting of a light emitting element and a light receiving element, the illumination light on the paper detection surface is unidirectional in order from the light source point of the light receiving element so that the illumination light is rectangular or slit shaped. A paper detection sensor featuring a convex lens and a unidirectional concave lens. (2) The paper detection sensor according to claim 1, wherein the light source point, the convex lens, and the concave lens are integrally molded from transparent resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8408886U JPS62195789U (en) | 1986-06-04 | 1986-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8408886U JPS62195789U (en) | 1986-06-04 | 1986-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62195789U true JPS62195789U (en) | 1987-12-12 |
Family
ID=30938268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8408886U Pending JPS62195789U (en) | 1986-06-04 | 1986-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62195789U (en) |
-
1986
- 1986-06-04 JP JP8408886U patent/JPS62195789U/ja active Pending